An embedded operating system is an operating system for embedded computer systems. These operating systems are designed to be very compact and efficient, forsaking many functionalities that non-embedded computer operating systems provide and which may not be used by the specialized applications they run. They are frequently also real-time operating systems. An operating system (OS) is a computer program that manages the hardware and software resources of a computer. ... A router, an example of an embedded system. ... A real-time operating system (RTOS) is a class of operating system intended for real-time applications. ...

Embedded operating systems include:

• eCos
• Embedded Linux
• embOS (Segger)
• FreeDOS
• FreeRTOS
• LynxOS RTOS
• NetBSD
• OpenBSD
• Inferno (operating system)
• ITROM
• OSE
• OS-9
• QNX
• RTEMS
• VxWorks
• Windows CE
• Windows XP Embedded
• SymbianOS
• MicroSuse

eCos (embedded Configurable operating system) is an open source, royalty-free, real-time operating system intended for embedded systems and applications which need only one process. ... Embedded Linux is a Linux based embedded operating system used in cell phones, personal digital assistants, media player handsets and other consumer electronics devices. ... SEGGER Microcontroller Systems develops and distributes software development tools and ANSI C software components (middleware). ... FreeDOS (formerly Free-DOS and PD-DOS) is an operating system for IBM PC compatible computers. ... FreeRTOS.org is a real-time operating system for embedded devices, being ported to several microcontrollers. ... The LynxOS RTOS is a Unix-like real-time operating system from LynuxWorks (formerly Lynx Real-Time Systems). Sometimes known as the Lynx Operating System, LynxOS features POSIX compliance and, more recently, Linux compatibility. ... NetBSD is a freely redistributable, open source version of the Unix-like BSD computer operating system. ... OpenBSD is a freely available Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Unix derivative developed at the University of California, Berkeley. ... Inferno is an operating system for creating and supporting distributed services. ... The Operating System Embedded (mostly known under the acronym OSE), a real-time embedded operating system created by the Swedish firm ENEA. OSE uses signaling in the form of messages passed to and from processes in the system. ... For Mac OS 9, see Mac OS 9. ... QNX (pronounced either Q-N-X or Q-nix) is a commercial POSIX-compliant Unix-like real-time operating system, aimed primarily at the embedded systems market. ... RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating system designed for embedded systems. ... VxWorks is a Unix-like real-time operating system made and sold by Wind River Systems of Alameda, California, USA. Like most RTOSes, VxWorks includes a multitasking kernel with pre-emptive scheduling and fast interrupt response, extensive inter-process communications and synchronization facilities, and a file system. ... This article or section does not cite its references or sources. ... An Internet payphone loading Windows XP Windows XP Embedded, or XPe, is the componentized version of Microsoft Windows XP Professional. ... Symbian OS is an operating system, designed for mobile devices, with associated libraries, user interface frameworks and reference implementations of common tools, produced by Symbian Ltd. ...

See also

• List of Embedded operating systems